Feb 1, 2010 · Separate pumps for front and rear. Check with a test light to see if there is power to the pump. If it has power but won't work, replace the pump. If no power, you have a wiring issue. Be sure to turn the switch on and have someone push the washer button when you are checking for power. There won't be any until you push it to "wash". Jul 27, 2009 · The screen washer pump is driven via electronic switching from the Front SAM control unit with fuse & relay panel (N10/1), located in the engine bay. Your fault could be either: a) Combination switch (S4) - pressing the wash function switch (s4) faulty. b) N10/1 (unlikely) c) Washer pump (M5/1) seized or burned out. Dec 27, 2023 · Windscreen washer pumps & bottles. Showing 1 - 19 of 78 products. Sort By: Nice Windscreen Washer Pump - NWP175. Select Store. Nice Universal Washer Pump & Tank Kit Vertical Mounting 12v - NWK500. Select Store. Nice Windscreen Washer Pump - NWP772. Select Store. Jan 10, 2010 · Windscreen washers not working. Hopefully you can help with this. My windscreen washers have stopped working. I pull back the stick and the wipers go but no jets. Have topped up the tank with pure windscreen wash so assume it is not frozen. But there is no noise of the washer motor working. Oct 20, 2021 · 5. Blocked hose. In rare cases, a dirty or pinched hose can be responsible for windscreen washer system malfunction on Chevy Impala. To diagnose, first open the hood and pull the end of the hose out of a windshield washer nozzle, and then turn on the washer system. You should see the fluid gushing out of the hose. Mar 4, 2021 · Really confusing problem as to why windscreen washer wont work. On fiesta washer Pump works one direction to wash windscreen and other direction to wash rear window by the BCM sending 12 volts +ve or -ve to pump . I have removed pump and it works fine in both directions. uFgnC.

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